Issued Patents All Time
Showing 26–35 of 35 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8796676 | Tandem white organic light emitting device | Chang Wook Han, Hong-Seok Choi, Jeong-Dae Seo, Ki-Woog Song | 2014-08-05 |
| 8623519 | Red phosphorescent compound and organic electroluminescent device using the same | Jung Keun Kim, Jeong-Dae Seo, Kyung-Hoon Lee, Chun Gun Park, Hyun Cheol Jeong +1 more | 2014-01-07 |
| 8530059 | Red phosphorescent compound and organic electroluminescent device using the same | Jung Keun Kim, Jeong-Dae Seo, Hyun Cheol Jeong, Chun Gun Park, Jong-Kwan Bin +1 more | 2013-09-10 |
| 8501328 | Red phosphorescent compounds and organic electroluminescent devices using the same | Jung Keun Kim, Jeong-Dae Seo, Hyun Cheol Jeong, Chun Gun Park, Jong-Kwan Bin +1 more | 2013-08-06 |
| 8420228 | Organic electroluminescence display with intermediate layer and method for fabricating the same | Sang Tae Park, Myung Seop Kim, Jae-Man Lee, Eun Soo Cha, Kyung-Hoon Lee +1 more | 2013-04-16 |
| 8421341 | Organic electroluminescent device | Chang Oh Kim, Hwa-Kyung Kim | 2013-04-16 |
| 8350257 | White organic light emitting device | Chang Oh Kim | 2013-01-08 |
| 8263971 | Organic light emitting diode display device | — | 2012-09-11 |
| 7994498 | White organic light emitting device and method for manufacturing the same | Chang-Je Sung, Jeong-Dae Seo, Sang Kyoon Kim | 2011-08-09 |
| 7332734 | Lithography apparatus and pattern forming method using the same having an liquid crystal panel for a photo mask function | Ki-Dong Lee, Seh-Won Ahn, Byoung-ho Park, Gyu-Tae Kim | 2008-02-19 |